Call SetShmBase() in init_rs

The ShmEventLoop rust test was using /dev/shm/aos and breaking out of
the sandbox. Fix that.

Change-Id: I14db8b500a03a66fef41399c4cea334ff79b217f
Signed-off-by: James Kuszmaul <james.kuszmaul@bluerivertech.com>
diff --git a/aos/BUILD b/aos/BUILD
index 34af003..f1cb6ba 100644
--- a/aos/BUILD
+++ b/aos/BUILD
@@ -198,6 +198,25 @@
     visibility = ["//visibility:public"],
 )
 
+autocxx_library(
+    name = "test_init_rs",
+    testonly = True,
+    srcs = ["test_init.rs"],
+    crate_name = "aos_test_init",
+    libs = [
+        "//aos/testing:tmpdir",
+    ],
+    override_cc_toolchain = "@llvm_toolchain//:cc-clang-x86_64-linux",
+    target_compatible_with = select({
+        "//conditions:default": ["//tools/platforms/rust:has_support"],
+        "//tools:has_msan": ["@platforms//:incompatible"],
+    }),
+    visibility = ["//visibility:public"],
+    deps = [
+        ":init_rs",
+    ],
+)
+
 cc_library(
     name = "realtime",
     srcs = [